/* Definitions of target machine for GNU compiler, for DEC Alpha on Cray
T3E running Unicos/Mk.
- Copyright (C) 2001
+ Copyright (C) 2001, 2002, 2004, 2005
Free Software Foundation, Inc.
Contributed by Roman Lechtchinsky (rl@cs.tu-berlin.de)
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#undef TARGET_ABI_UNICOSMK
#define TARGET_ABI_UNICOSMK 1
/* The following defines are necessary for the standard headers to work
correctly. */
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__unix=1 -D_UNICOS=205 -D_CRAY=1 -D_CRAYT3E=1 -D_CRAYMPP=1 -D_CRAYIEEE=1 -D_ADDR64=1 -D_LD64=1 -D__UNICOSMK__ -D__INT_MAX__=9223372036854775807 -D__SHRT_MAX__=2147483647"
-
-/* Disable software floating point emulation because it requires a 16-bit
- type which we do not have. */
-
-#ifndef __GNUC__
-#undef REAL_ARITHMETIC
-#endif
+#define TARGET_OS_CPP_BUILTINS() \
+ do { \
+ builtin_define ("__unix"); \
+ builtin_define ("_UNICOS=205"); \
+ builtin_define ("_CRAY"); \
+ builtin_define ("_CRAYT3E"); \
+ builtin_define ("_CRAYMPP"); \
+ builtin_define ("_CRAYIEEE"); \
+ builtin_define ("_ADDR64"); \
+ builtin_define ("_LD64"); \
+ builtin_define ("__UNICOSMK__"); \
+ } while (0)
#define SHORT_TYPE_SIZE 32
#undef STRUCTURE_SIZE_BOUNDARY
#define STRUCTURE_SIZE_BOUNDARY 64
-/* Allocation boundary (in *bits*) for the code of a function. Functions
- should be cache-aligned on the T3E. */
-
-#undef FUNCTION_BOUNDARY
-#define FUNCTION_BOUNDARY 256
-
/* No data type wants to be aligned rounder than this. */
#undef BIGGEST_ALIGNMENT
\f
/* The stack frame grows downward. */
-#define FRAME_GROWS_DOWNWARD
+#define FRAME_GROWS_DOWNWARD 1
/* Define the offset between two registers, one to be eliminated, and the
other its replacement, at the start of a routine. This is somewhat
complicated on the T3E which is why we use a function. */
-extern int unicosmk_initial_elimination_offset PARAMS ((int, int));
-
#undef INITIAL_ELIMINATION_OFFSET
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
do { \
#define STACK_PARMS_IN_REG_PARM_AREA
-/* This evaluates to nonzero if we do not know how to pass TYPE solely in
- registers. This is the case for all arguments that do not fit in two
- registers. */
-
-#define MUST_PASS_IN_STACK(MODE,TYPE) \
- ((TYPE) != 0 \
- && (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \
- || (TREE_ADDRESSABLE (TYPE) || ALPHA_ARG_SIZE (MODE, TYPE, 0) > 2)))
-
/* Define a data type for recording info about an argument list
during the scan of that argument list. This data type should
hold all necessary information about the function itself
function whose data type is FNTYPE. For a library call, FNTYPE is 0. */
#undef INIT_CUMULATIVE_ARGS
-#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \
+#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
do { (CUM).num_args = 0; \
(CUM).num_arg_words = 0; \
(CUM).num_reg_words = 0; \
\
size = ALPHA_ARG_SIZE (MODE, TYPE, NAMED); \
\
- if (size > 2 || MUST_PASS_IN_STACK (MODE, TYPE) \
- || (CUM).num_reg_words + size > 6) \
+ if (size > 2 \
+ || (CUM).num_reg_words + size > 6 \
+ || targetm.calls.must_pass_in_stack (MODE, TYPE)) \
(CUM).force_stack = 1; \
\
if (! (CUM).force_stack) \
++(CUM).num_args; \
} while(0)
-/* We want the default definition for this.
- ??? In fact, we should delete the definition from alpha.h as it
- corresponds to the default definition for little-endian machines. */
-
-#undef FUNCTION_ARG_PADDING
-
-/* An argument is passed either entirely in registers or entirely on stack. */
-
-#undef FUNCTION_ARG_PARTIAL_NREGS
-/* #define FUNCTION_ARG_PARTIAL_NREGS(CUM,MODE,TYPE,NAMED) 0 */
-
-/* Perform any needed actions needed for a function that is receiving a
- variable number of arguments.
-
- On Unicos/Mk, the standard subroutine __T3E_MISMATCH stores all register
- arguments on the stack. Unfortunately, it doesn't always store the first
- one (i.e. the one that arrives in $16 or $f16). This is not a problem
- with stdargs as we always have at least one named argument there. This is
- not always the case when varargs.h is used, however. In such cases, we
- have to store the first argument ourselves. We use the information from
- the CIW to determine whether the first argument arrives in $16 or $f16. */
-
-#undef SETUP_INCOMING_VARARGS
-#define SETUP_INCOMING_VARARGS(CUM,MODE,TYPE,PRETEND_SIZE,NO_RTL) \
-{ if ((CUM).num_reg_words < 6) \
- { \
- if (! (NO_RTL)) \
- { \
- int start; \
- \
- start = (CUM).num_reg_words; \
- if (!current_function_varargs || start == 0) \
- ++start; \
- \
- emit_insn (gen_umk_mismatch_args (GEN_INT (start))); \
- if (current_function_varargs && (CUM).num_reg_words == 0) \
- { \
- rtx tmp; \
- rtx int_label, end_label; \
- \
- tmp = gen_reg_rtx (DImode); \
- emit_move_insn (tmp, \
- gen_rtx_ZERO_EXTRACT (DImode, \
- gen_rtx_REG (DImode, 2),\
- (GEN_INT (1)), \
- (GEN_INT (7)))); \
- int_label = gen_label_rtx (); \
- end_label = gen_label_rtx (); \
- emit_insn (gen_cmpdi (tmp, GEN_INT (0))); \
- emit_jump_insn (gen_beq (int_label)); \
- emit_move_insn (gen_rtx_MEM (DFmode, virtual_incoming_args_rtx),\
- gen_rtx_REG (DFmode, 48)); \
- emit_jump (end_label); \
- emit_label (int_label); \
- emit_move_insn (gen_rtx_MEM (DImode, virtual_incoming_args_rtx),\
- gen_rtx_REG (DImode, 16)); \
- emit_label (end_label); \
- } \
- emit_insn (gen_arg_home_umk ()); \
- } \
- \
- PRETEND_SIZE = 0; \
- } \
-}
-
/* This ensures that $15 increments/decrements in leaf functions won't get
eliminated. */
#undef EPILOGUE_USES
#define EPILOGUE_USES(REGNO) ((REGNO) == 26 || (REGNO) == 15)
-/* Machine-specific function data. */
-
-struct machine_function
-{
- /* List of call information words for calls from this function. */
- struct rtx_def *first_ciw;
- struct rtx_def *last_ciw;
- int ciw_count;
-
- /* List of deferred case vectors. */
- struct rtx_def *addr_list;
-};
-
/* Would have worked, only the stack doesn't seem to be executable
#undef TRAMPOLINE_TEMPLATE
#define TRAMPOLINE_TEMPLATE(FILE) \
/* We don't support nested functions (yet). */
#undef TRAMPOLINE_TEMPLATE
-#define TRAMPOLINE_TEMPLATE(FILE) abort ()
+#define TRAMPOLINE_TEMPLATE(FILE) gcc_unreachable ()
\f
/* Specify the machine mode that this machine uses for the index in the
tablejump instruction. On Unicos/Mk, we don't support relative case
#undef DATA_SECTION_ASM_OP
#define DATA_SECTION_ASM_OP unicosmk_data_section ()
-/* There are ni read-only sections on Unicos/Mk. */
+/* There are no read-only sections on Unicos/Mk. */
-#undef READONLY_DATA_SECTION
+#undef READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION data_section
/* Define extra sections for common data and SSIBs (static subroutine
COMMON_SECTION \
SSIB_SECTION
-extern void common_section PARAMS ((void));
+extern void common_section (void);
#define COMMON_SECTION \
void \
-common_section () \
+common_section (void) \
{ \
in_section = in_common; \
}
-extern void ssib_section PARAMS ((void));
+extern void ssib_section (void);
#define SSIB_SECTION \
void \
-ssib_section () \
+ssib_section (void) \
{ \
in_section = in_ssib; \
}
-/* A C expression which evaluates to true if declshould be placed into a
- unique section for some target-specific reason. On Unicos/Mk, functions
- and public variables are always placed in unique sections. */
-
-/*
-#define UNIQUE_SECTION_P(DECL) (TREE_PUBLIC (DECL) \
- || TREE_CODE (DECL) == FUNCTION_DECL)
-*/
-#define UNIQUE_SECTION(DECL, RELOC) unicosmk_unique_section (DECL, RELOC)
-
-/* This outputs text to go at the start of an assembler file. */
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) unicosmk_asm_file_start (FILE)
-
-/* This outputs text to go at the end of an assembler file. */
-
-#undef ASM_FILE_END
-#define ASM_FILE_END(FILE) unicosmk_asm_file_end (FILE)
-
-/* We take care of that in ASM_FILE_START. */
+/* We take care of this in unicosmk_file_start. */
#undef ASM_OUTPUT_SOURCE_FILENAME
-/* There is no directive for declaring a label as global. Instead, an
- additional colon must be appended when the label is defined. */
-
-#undef ASM_GLOBALIZE_LABEL
-#define ASM_GLOBALIZE_LABEL(FILE,NAME)
-
/* This is how to output a label for a jump table. Arguments are the same as
- for ASM_OUTPUT_INTERNAL_LABEL, except the insn for the jump table is
+ for (*targetm.asm_out.internal_label), except the insn for the jump table is
passed. */
#undef ASM_OUTPUT_CASE_LABEL
#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLEINSN) \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM)
-
-/* This is how to output an assembler line defining a `double' constant. */
-
-#undef ASM_OUTPUT_DOUBLE
-#ifdef REAL_ARITHMETIC
-#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
- do { long t[2]; \
- REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
- fprintf (FILE, "\t.quad ^X%lx%08lx\n", \
- t[0] & 0xffffffff, t[1] & 0xffffffff); \
- } while (0)
-#else
-#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
- do { long t[2]; \
- REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
- fprintf (FILE, "\t.quad ^X%lx\n", t[0]); \
- } while(0)
-#endif
-
-
-/* This is how to output an assembler line defining a `long double'
- constant. `long double' and `double' are the same on the Cray T3E. */
-
-#undef ASM_OUTPUT_LONG_DOUBLE
-#define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
- ASM_OUTPUT_DOUBLE (FILE,VALUE)
-
-/* This is how to output an assembler line defining a `float' constant.
- ??? Somehow, REAL_VALUE_TO_TARGET_SINGLE gets confused and returns the
- value in the upper bits of the int. */
-
-#undef ASM_OUTPUT_FLOAT
-#ifdef REAL_ARITHMETIC
-#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
- do { long t; \
- REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
- fprintf (FILE, "\t.long ^X%lx\n", t & 0xffffffff);\
- } while (0)
-#else
-#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
- do { long t; \
- REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
- fprintf (FILE, "\t.long ^X%lx\n", (t >> 32) & 0xffffffff);\
- } while(0)
-#endif
+ (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM)
/* CAM has some restrictions with respect to string literals. It won't
accept lines with more that 256 characters which means that we have
(Unicos/Mk does not use such vectors yet). */
#undef ASM_OUTPUT_ADDR_DIFF_ELT
-#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) abort ()
+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) gcc_unreachable ()
/* We can't output case vectors in the same section as the function code
because CAM doesn't allow data definitions in code sections. Thus, we
#define ASM_OUTPUT_ADDR_VEC(LAB,VEC) \
unicosmk_defer_case_vector ((LAB),(VEC))
-#define ASM_OUTPUT_ADDR_DIFF_VEC(LAB,VEC) abort ()
+#define ASM_OUTPUT_ADDR_DIFF_VEC(LAB,VEC) gcc_unreachable ()
/* This is how to output an assembler line that says to advance the location
counter to a multiple of 2**LOG bytes. Annoyingly, CAM always uses zeroes
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(STREAM,SIZE) \
- fprintf ((STREAM), "\t.byte\t0:%d\n", (SIZE));
+ fprintf ((STREAM), "\t.byte\t0:"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
+ (SIZE));
/* This says how to output an assembler line to define a global common
symbol. We need the alignment information because it has to be supplied
do { data_section (); \
fprintf (FILE, "\t.align\t%d\n", floor_log2 ((ALIGN) / BITS_PER_UNIT));\
ASM_OUTPUT_LABEL ((FILE), (NAME)); \
- fprintf (FILE, "\t.byte 0:%d\n", SIZE); \
+ fprintf (FILE, "\t.byte 0:"HOST_WIDE_INT_PRINT_UNSIGNED"\n",(SIZE));\
} while (0)
/* CAM does not allow us to declare a symbol as external first and then
} \
} while(0)
-/*
-#define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC) \
- unicosmk_output_section_name ((STREAM), (DECL), (NAME), (RELOC))
-*/
-
/* Switch into a generic section. */
#define TARGET_ASM_NAMED_SECTION unicosmk_asm_named_section
#undef ASM_OUTPUT_MAX_SKIP_ALIGN
#define ASM_OUTPUT_MAX_SKIP_ALIGN(STREAM,POWER,MAXSKIP)
\f
-/* We have to define these because we do not use the floating-point
- emulation. Unfortunately, atof does not accept hex literals. */
-
-#ifndef REAL_ARITHMETIC
-#define REAL_VALUE_ATOF(x,s) atof(x)
-#define REAL_VALUE_HTOF(x,s) atof(x)
-#endif
-
#undef NM_FLAGS
#undef OBJECT_FORMAT_COFF
#undef SDB_DEBUGGING_INFO
#undef MIPS_DEBUGGING_INFO
#undef DBX_DEBUGGING_INFO
-#undef DWARF_DEBUGGING_INFO
#undef DWARF2_DEBUGGING_INFO
#undef DWARF2_UNWIND_INFO
#undef INCOMING_RETURN_ADDR_RTX
-
-
-/* We use the functions provided by the system library for integer
- division. */
-
-#undef UDIVDI3_LIBCALL
-#undef DIVDI3_LIBCALL
-#define UDIVDI3_LIBCALL "$uldiv"
-#define DIVDI3_LIBCALL "$sldiv"
-
-/* This is necessary to prevent gcc from generating calls to __divsi3. */
-
-#define INIT_TARGET_OPTABS \
- do { \
- sdiv_optab->handlers[(int) SImode].libfunc = NULL_RTX; \
- udiv_optab->handlers[(int) SImode].libfunc = NULL_RTX; \
- } while (0)
-
-#undef ASM_OUTPUT_SOURCE_LINE
+#undef PREFERRED_DEBUGGING_TYPE
/* We don't need a start file. */
#undef LIB_SPEC
#define LIB_SPEC "-L/opt/ctl/craylibs/craylibs -lu -lm -lc -lsma"
-#undef BUILD_VA_LIST_TYPE
#undef EXPAND_BUILTIN_VA_START
-#undef EXPAND_BUILTIN_VA_ARG
#define EH_FRAME_IN_DATA_SECTION 1
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